linux-kernel - Re: Gemini Soc timers

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Message-ID: <CACRpkdYm-W8FqBgvustJUweizocmX9LtVS6Q=7j8EjF8D+H77Q@mail.gmail.com>
Date:	Thu, 9 Jul 2015 17:48:45 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Roman Yeryomin <roman@...em.lv>
Cc:	Hans Ulli Kroll <ulli.kroll@...glemail.com>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Felix Fietkau <nbd@...nwrt.org>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Russell King <rmk+kernel@....linux.org.uk>
Subject: Re: Gemini Soc timers

On Thu, Jul 9, 2015 at 3:02 PM, Roman Yeryomin <roman@...em.lv> wrote:
> On 2015-07-09 14:58, Hans Ulli Kroll wrote:
>>
>> Hi
>>
>> On Thu, 9 Jul 2015, Arnd Bergmann wrote:
>>
>>> On Thursday 09 July 2015 01:29:39 Roman Yeryomin wrote:
>>> >
>>> > OK, here are the minimal changes required (see attachment). Tested on
>>> > 4.1.1
>>> > Let me know if you want me to submit it in some other way.
>>> >
>>>
>>> The changes look ok to me. Please submit them as two separate
>>> patches (1. set up and use timer3, 2. register sched_clock) according
>>> to the Documentation/SubmittingPatches description.
>>>
>>> Thanks,
>>>
>>>         Arnd
>>>
>>
>> have you seen this thread ...
>> [PATCH 00/18] ARM: Migrate clockevent drivers to 'set-state
>> http://permalink.gmane.org/gmane.linux.ports.arm.kernel/423992
>>
>> arch/arm/mach-gemini/time.c              | 69 ++++++++++++------------
>>
>> Two or more weeks ago I send a patchset fixing this problem.
>> At this time Arnd was in holiday and until today I was very busy at work.
>
>
> Sorry, I didn't see your patches.
> Arnd requested minimal changes and until yesterday I was very busy too.
>
>> I can rework my patches on top of Viresh's patchset
>
>
> It looks that this patchset doesn't conflict with the fix needed.

Can any of you guys just look at this thing from OpenWRT:
http://git.openwrt.org/?p=openwrt.git;a=blob;f=target/linux/gemini/patches-3.18/160-gemini-timers.patch;h=4b0edb45d162f751bfb7475f5b3158f28d69fe84;hb=HEAD

As usual they are just keeping it out of mainline, and this
is adding sched_clock() and other goodies so should
probably be upstreamed ASAP.

Yours,
Linus Walleij
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